Bearings, bushings, valves, being parts of machines and parts therefor, namely, valve seats; chokes and choke inserts; heat exchangers and parts therefor; namely: radiant tubes; blast and abrasive cleaning cabinets and parts therefor; gasifiers and parts therefor; gasifier tubes; air and gas compressors and parts therefor, namely, ceramic seals and seal faces; sump pumps and centralized pumps and parts therefor; namely: pump sleeves. Components for space and aeronautics; thermocouple protecti...

Ceramic armor for protecting the body, vehicles and aircraft against ballistic projectiles

INDUSTRIAL MACHINES AND MACHINE PARTS THEREFOR, NAMELY: INTERNAL COMBUSTION ENGINES AND PARTS THEREFOR, NAMELY BEARINGS, BUSHINGS, PISTONS, CYLINDER LINERS, WRIST PINS, VALVE LIFTERS, VALVE TRAIN PUSH RODS, VALVE TRAIN PUSH ROD TIPS, ROCKER ARMS, ROCKER ARM INSERTS, CAMSHAFT, CAMSHAFT LOBES, VALVE SEAT INSERTS, TURBINE BLADES, COMBUSTION CHAMBER LINERS, FUEL INJECTION NOZZLES, SPARK PLUGS, GLOW PLUGS, TURBO-CHARGERS, TURBO-CHARGER ROTORS, CONNECTING RODS, CRANK LINERS, JET ENGINES AND PARTS T...